/*--
$Id: DescendantDemo.java,v 1.5 2007/11/10 05:36:01 jhunter Exp $
Copyright (C) 2000-2007 Jason Hunter & Brett McLaughlin.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
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notice, this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions, and the disclaimer that follows
these conditions in the documentation and/or other materials
provided with the distribution.
3. The name "JDOM" must not be used to endorse or promote products
derived from this software without prior written permission. For
written permission, please contact <request_AT_jdom_DOT_org>.
4. Products derived from this software may not be called "JDOM", nor
may "JDOM" appear in their name, without prior written permission
from the JDOM Project Management <request_AT_jdom_DOT_org>.
In addition, we request (but do not require) that you include in the
end-user documentation provided with the redistribution and/or in the
software itself an acknowledgement equivalent to the following:
"This product includes software developed by the
JDOM Project (http://www.jdom.org/)."
Alternatively, the acknowledgment may be graphical using the logos
available at http://www.jdom.org/images/logos.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE JDOM AUTHORS OR THE PROJECT
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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SUCH DAMAGE.
This software consists of voluntary contributions made by many
individuals on behalf of the JDOM Project and was originally
created by Jason Hunter <jhunter_AT_jdom_DOT_org> and
Brett McLaughlin <brett_AT_jdom_DOT_org>. For more information
on the JDOM Project, please see <http://www.jdom.org/>.
*/
import java.io.*;
import java.util.*;
import org.jdom.*;
import org.jdom.filter.ElementFilter;
import org.jdom.input.*;
import org.jdom.output.*;
/**
* Demonstrates the use of {@link Parent#getDescendants}.
*/
public class DescendantDemo {
public static void main(String[] args) throws Exception {
if (args.length != 1) {
System.err.println("Usage: java DescendantDemo [web.xml]");
return;
}
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(args[0]);
System.out.println("All content:");
Iterator itr = doc.getDescendants();
while (itr.hasNext()) {
Content c = (Content) itr.next();
System.out.println(c);
}
System.out.println();
System.out.println("Only elements:");
itr = doc.getDescendants(new ElementFilter());
while (itr.hasNext()) {
Content c = (Content) itr.next();
System.out.println(c);
}
System.out.println();
System.out.println("Everything that's not an element:");
itr = doc.getDescendants(new ElementFilter().negate());
while (itr.hasNext()) {
Content c = (Content) itr.next();
System.out.println(c);
}
System.out.println();
System.out.println("Only elements with localname of servlet:");
itr = doc.getDescendants(new ElementFilter("servlet"));
while (itr.hasNext()) {
Content c = (Content) itr.next();
System.out.println(c);
}
System.out.println();
System.out.println(
"Only elements with localname of servlet-name or servlet-class:");
itr = doc.getDescendants(new ElementFilter("servlet-name")
.or(new ElementFilter("servlet-class")));
while (itr.hasNext()) {
Content c = (Content) itr.next();
System.out.println(c);
}
System.out.println();
System.out.println("Remove elements with localname of servlet:");
itr = doc.getDescendants(new ElementFilter("servlet"));
while (itr.hasNext()) {
itr.next();
itr.remove();
}
XMLOutputter outp = new XMLOutputter();
outp.output(doc, System.out);
}
}